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Data acquisition is the process of sampling signals that measure real-world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer. Data acquisition systems, abbreviated by the acronyms DAS, DAQ, or DAU, typically convert analog waveforms into digital values for processing.
SCADA (an acronym for supervisory control and data acquisition) is a control system architecture comprising computers, networked data communications and graphical user interfaces for high-level supervision of machines and processes.
A speed-optimized RPC layer is used for data exchange, with which sustained data rates of 980 kB/s , 8.7 MB/s and up to 98 MB/s . An integrated slow control system contains a fast online database and a history system.
Today the functionality of Supervisory control and data acquisition (SCADA) and DCS systems are very similar, but DCS tends to be used on large continuous process plants where high reliability and security is important, and the control room is not geographically remote. Many machine control systems exhibit similar properties as plant and ...
The IBM 7700 was short-lived, being replaced by the IBM 1800 Data Acquisition and Control System on November 30, 1964. Two IBM 7700 Data Acquisition Systems are known to have existed: one at the University of Rochester [2] [3] and the other at Stanford University. [4] [5] Both were donated by IBM.
The International Journal of Information Acquisition was founded in 1994 and is published by World Scientific, covering the science and technology of information acquisition. Papers are categorized into Theory, Sensitive Materials and Devices, Sensors, Machine Sensing and Algorithms, Applications, and Reviews.
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Magnetic Data Acquisition System (abbr. MAGDAS) is a system of 50 realtime magnetometers that are being deployed by Kyushu Sangyo University of Fukuoka, Japan, as part of Japan's leading contribution to International Heliophysical Year of the United Nations.